Home / 243,387,607.28-335,875,193.33-131,878,360.10

Finding the Fourth Proportional to 243,387,607.28, 335,875,193.33 and 131,878,360.10

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Solution

The fourth proportional to 243,387,607.28, 335,875,193.33 and 131,878,360.10 is: 181,992,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,387,607.28 : 335,875,193.33 = 131,878,360.10 : x
  2. Step 2: Convert to fraction form
    243,387,607.28/335,875,193.33 = 131,878,360.10/x
  3. Step 3: Cross multiply
    243,387,607.28x = 335,875,193.33 × 131,878,360.10
  4. Step 4: Simplify right side
    243,387,607.28x = 44,294,669,694,811,152
  5. Step 5: Solve for x
    x = 44,294,669,694,811,152/243,387,607.28
  6. Step 6: Final answer
    x = 181,992,296.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.